zarm/es/slider/utils/getPrecision.js

基于 React 的移动端UI库

export default function getPrecision(step) {
  var stepString = step.toString();
  var precision = 0;

  if (stepString.indexOf('.') >= 0) {
    precision = stepString.length - stepString.indexOf('.') - 1;
  }

  return precision;
}